Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:57 2013 Optimize a model with 13800 rows, 20702 columns and 27600 nonzeros Model has 6900 quadratic constraints Presolve time: 0.02s Presolved: 13800 rows, 20702 columns, 27600 nonzeros Presolved model has 6900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.070e+04 Factor NZ : 4.830e+04 (roughly 14 MBytes of memory) Factor Ops : 1.725e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.98797581e+06 0.00000000e+00 1.42e-13 5.00e-01 2.99e+02 0s 1 1.19354540e+06 2.40292585e+05 1.66e-07 4.91e-05 4.61e+01 0s 2 8.96054511e+05 7.09416682e+05 4.52e-08 3.81e-06 9.02e+00 0s 3 8.25211584e+05 7.88677584e+05 9.22e-09 4.60e-07 1.76e+00 0s 4 8.03306827e+05 7.98495757e+05 1.16e-09 3.84e-08 2.32e-01 0s 5 7.99742550e+05 7.99505230e+05 5.24e-11 1.08e-09 1.15e-02 0s 6 7.99597164e+05 7.99554502e+05 1.14e-11 1.18e-11 2.06e-03 0s 7 7.99564179e+05 7.99555536e+05 2.32e-12 1.47e-13 4.18e-04 0s 8 7.99559454e+05 7.99555666e+05 1.19e-12 3.05e-13 1.83e-04 0s 9 7.99557854e+05 7.99555725e+05 9.66e-13 6.44e-13 1.03e-04 0s 10 7.99557125e+05 7.99555743e+05 8.10e-13 4.64e-13 6.68e-05 0s 11 7.99556397e+05 7.99555813e+05 3.41e-13 6.63e-12 2.82e-05 0s Barrier solved model in 11 iterations and 0.36 seconds Optimal objective 7.99556397e+05